/* +----------------------------------------------------------------------+ | PHP Version 5 | +----------------------------------------------------------------------+ | Copyright (c) 1997-2015 The PHP Group | +----------------------------------------------------------------------+ | This source file is subject to version 3.01 of the PHP license, | | that is bundled with this package in the file LICENSE, and is | | available through the world-wide-web at the following url: | | http://www.php.net/license/3_01.txt | | If you did not receive a copy of the PHP license and are unable to | | obtain it through the world-wide-web, please send a note to | | license@php.net so we can mail you a copy immediately. | +----------------------------------------------------------------------+ | Authors: Rasmus Lerdorf | | Mike Jackson | | Steven Lawrance | | Harrie Hazewinkel | | Johann Hanne | | Boris Lytockin | +----------------------------------------------------------------------+ */ /* $Id$ */ #ifdef HAVE_CONFIG_H #include "config.h" #endif #include "php.h" #include "main/php_network.h" #include "ext/standard/info.h" #include "php_snmp.h" #include "zend_exceptions.h" #if HAVE_SPL #include "ext/spl/spl_exceptions.h" #endif #if HAVE_SNMP #include #ifdef PHP_WIN32 #include #include #include #include "win32/time.h" #elif defined(NETWARE) #ifdef USE_WINSOCK #include #else #include #endif #include #include #else #include #include #include #ifndef _OSD_POSIX #include #else #include /* BS2000/OSD uses , not */ #endif #include #endif #ifdef HAVE_UNISTD_H #include #endif #ifndef __P #ifdef __GNUC__ #define __P(args) args #else #define __P(args) () #endif #endif #include #include /* For net-snmp prior to 5.4 */ #ifndef HAVE_SHUTDOWN_SNMP_LOGGING extern netsnmp_log_handler *logh_head; #define shutdown_snmp_logging() \ { \ snmp_disable_log(); \ while(NULL != logh_head) \ netsnmp_remove_loghandler( logh_head ); \ } #endif #define SNMP_VALUE_LIBRARY (0 << 0) #define SNMP_VALUE_PLAIN (1 << 0) #define SNMP_VALUE_OBJECT (1 << 1) typedef struct snmp_session php_snmp_session; #define PHP_SNMP_SESSION_RES_NAME "SNMP session" #define PHP_SNMP_ADD_PROPERTIES(a, b) \ { \ int i = 0; \ while (b[i].name != NULL) { \ php_snmp_add_property((a), (b)[i].name, (b)[i].name_length, \ (php_snmp_read_t)(b)[i].read_func, (php_snmp_write_t)(b)[i].write_func TSRMLS_CC); \ i++; \ } \ } #define PHP_SNMP_ERRNO_NOERROR 0 #define PHP_SNMP_ERRNO_GENERIC (1 << 1) #define PHP_SNMP_ERRNO_TIMEOUT (1 << 2) #define PHP_SNMP_ERRNO_ERROR_IN_REPLY (1 << 3) #define PHP_SNMP_ERRNO_OID_NOT_INCREASING (1 << 4) #define PHP_SNMP_ERRNO_OID_PARSING_ERROR (1 << 5) #define PHP_SNMP_ERRNO_MULTIPLE_SET_QUERIES (1 << 6) #define PHP_SNMP_ERRNO_ANY ( \ PHP_SNMP_ERRNO_GENERIC | \ PHP_SNMP_ERRNO_TIMEOUT | \ PHP_SNMP_ERRNO_ERROR_IN_REPLY | \ PHP_SNMP_ERRNO_OID_NOT_INCREASING | \ PHP_SNMP_ERRNO_OID_PARSING_ERROR | \ PHP_SNMP_ERRNO_MULTIPLE_SET_QUERIES | \ PHP_SNMP_ERRNO_NOERROR \ ) ZEND_DECLARE_MODULE_GLOBALS(snmp) static PHP_GINIT_FUNCTION(snmp); /* constant - can be shared among threads */ static oid objid_mib[] = {1, 3, 6, 1, 2, 1}; static int le_snmp_session; /* Handlers */ static zend_object_handlers php_snmp_object_handlers; /* Class entries */ zend_class_entry *php_snmp_ce; zend_class_entry *php_snmp_exception_ce; /* Class object properties */ static HashTable php_snmp_properties; /* {{{ arginfo */ ZEND_BEGIN_ARG_INFO_EX(arginfo_snmpget, 0, 0, 3) ZEND_ARG_INFO(0, host) ZEND_ARG_INFO(0, community) ZEND_ARG_INFO(0, object_id) ZEND_ARG_INFO(0, timeout) ZEND_ARG_INFO(0, retries) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO_EX(arginfo_snmpgetnext, 0, 0, 3) ZEND_ARG_INFO(0, host) ZEND_ARG_INFO(0, community) ZEND_ARG_INFO(0, object_id) ZEND_ARG_INFO(0, timeout) ZEND_ARG_INFO(0, retries) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO_EX(arginfo_snmpwalk, 0, 0, 3) ZEND_ARG_INFO(0, host) ZEND_ARG_INFO(0, community) ZEND_ARG_INFO(0, object_id) ZEND_ARG_INFO(0, timeout) ZEND_ARG_INFO(0, retries) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO_EX(arginfo_snmprealwalk, 0, 0, 3) ZEND_ARG_INFO(0, host) ZEND_ARG_INFO(0, community) ZEND_ARG_INFO(0, object_id) ZEND_ARG_INFO(0, timeout) ZEND_ARG_INFO(0, retries) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO_EX(arginfo_snmpset, 0, 0, 5) ZEND_ARG_INFO(0, host) ZEND_ARG_INFO(0, community) ZEND_ARG_INFO(0, object_id) ZEND_ARG_INFO(0, type) ZEND_ARG_INFO(0, value) ZEND_ARG_INFO(0, timeout) ZEND_ARG_INFO(0, retries) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp_get_quick_print, 0, 0, 1) ZEND_ARG_INFO(0, d) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp_set_quick_print, 0, 0, 1) ZEND_ARG_INFO(0, quick_print) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp_set_enum_print, 0, 0, 1) ZEND_ARG_INFO(0, enum_print) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp_set_oid_output_format, 0, 0, 1) ZEND_ARG_INFO(0, oid_format) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp2_get, 0, 0, 3) ZEND_ARG_INFO(0, host) ZEND_ARG_INFO(0, community) ZEND_ARG_INFO(0, object_id) ZEND_ARG_INFO(0, timeout) ZEND_ARG_INFO(0, retries) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp2_getnext, 0, 0, 3) ZEND_ARG_INFO(0, host) ZEND_ARG_INFO(0, community) ZEND_ARG_INFO(0, object_id) ZEND_ARG_INFO(0, timeout) ZEND_ARG_INFO(0, retries) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp2_walk, 0, 0, 3) ZEND_ARG_INFO(0, host) ZEND_ARG_INFO(0, community) ZEND_ARG_INFO(0, object_id) ZEND_ARG_INFO(0, timeout) ZEND_ARG_INFO(0, retries) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp2_real_walk, 0, 0, 3) ZEND_ARG_INFO(0, host) ZEND_ARG_INFO(0, community) ZEND_ARG_INFO(0, object_id) ZEND_ARG_INFO(0, timeout) ZEND_ARG_INFO(0, retries) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp2_set, 0, 0, 5) ZEND_ARG_INFO(0, host) ZEND_ARG_INFO(0, community) ZEND_ARG_INFO(0, object_id) ZEND_ARG_INFO(0, type) ZEND_ARG_INFO(0, value) ZEND_ARG_INFO(0, timeout) ZEND_ARG_INFO(0, retries) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp3_get, 0, 0, 8) ZEND_ARG_INFO(0, host) ZEND_ARG_INFO(0, sec_name) ZEND_ARG_INFO(0, sec_level) ZEND_ARG_INFO(0, auth_protocol) ZEND_ARG_INFO(0, auth_passphrase) ZEND_ARG_INFO(0, priv_protocol) ZEND_ARG_INFO(0, priv_passphrase) ZEND_ARG_INFO(0, object_id) ZEND_ARG_INFO(0, timeout) ZEND_ARG_INFO(0, retries) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp3_getnext, 0, 0, 8) ZEND_ARG_INFO(0, host) ZEND_ARG_INFO(0, sec_name) ZEND_ARG_INFO(0, sec_level) ZEND_ARG_INFO(0, auth_protocol) ZEND_ARG_INFO(0, auth_passphrase) ZEND_ARG_INFO(0, priv_protocol) ZEND_ARG_INFO(0, priv_passphrase) ZEND_ARG_INFO(0, object_id) ZEND_ARG_INFO(0, timeout) ZEND_ARG_INFO(0, retries) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp3_walk, 0, 0, 8) ZEND_ARG_INFO(0, host) ZEND_ARG_INFO(0, sec_name) ZEND_ARG_INFO(0, sec_level) ZEND_ARG_INFO(0, auth_protocol) ZEND_ARG_INFO(0, auth_passphrase) ZEND_ARG_INFO(0, priv_protocol) ZEND_ARG_INFO(0, priv_passphrase) ZEND_ARG_INFO(0, object_id) ZEND_ARG_INFO(0, timeout) ZEND_ARG_INFO(0, retries) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp3_real_walk, 0, 0, 8) ZEND_ARG_INFO(0, host) ZEND_ARG_INFO(0, sec_name) ZEND_ARG_INFO(0, sec_level) ZEND_ARG_INFO(0, auth_protocol) ZEND_ARG_INFO(0, auth_passphrase) ZEND_ARG_INFO(0, priv_protocol) ZEND_ARG_INFO(0, priv_passphrase) ZEND_ARG_INFO(0, object_id) ZEND_ARG_INFO(0, timeout) ZEND_ARG_INFO(0, retries) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp3_set, 0, 0, 10) ZEND_ARG_INFO(0, host) ZEND_ARG_INFO(0, sec_name) ZEND_ARG_INFO(0, sec_level) ZEND_ARG_INFO(0, auth_protocol) ZEND_ARG_INFO(0, auth_passphrase) ZEND_ARG_INFO(0, priv_protocol) ZEND_ARG_INFO(0, priv_passphrase) ZEND_ARG_INFO(0, object_id) ZEND_ARG_INFO(0, type) ZEND_ARG_INFO(0, value) ZEND_ARG_INFO(0, timeout) ZEND_ARG_INFO(0, retries) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp_set_valueretrieval, 0, 0, 1) ZEND_ARG_INFO(0, method) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_snmp_get_valueretrieval, 0) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp_read_mib, 0, 0, 1) ZEND_ARG_INFO(0, filename) ZEND_END_ARG_INFO() /* OO arginfo */ ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp_create, 0, 0, 3) ZEND_ARG_INFO(0, version) ZEND_ARG_INFO(0, host) ZEND_ARG_INFO(0, community) ZEND_ARG_INFO(0, timeout) ZEND_ARG_INFO(0, retries) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO(arginfo_snmp_void, 0) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp_setSecurity, 0, 0, 8) ZEND_ARG_INFO(0, session) ZEND_ARG_INFO(0, sec_level) ZEND_ARG_INFO(0, auth_protocol) ZEND_ARG_INFO(0, auth_passphrase) ZEND_ARG_INFO(0, priv_protocol) ZEND_ARG_INFO(0, priv_passphrase) ZEND_ARG_INFO(0, contextName) ZEND_ARG_INFO(0, contextEngineID) ZEND_ARG_INFO(0, ) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp_get, 0, 0, 1) ZEND_ARG_INFO(0, object_id) ZEND_ARG_INFO(0, use_orignames) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp_walk, 0, 0, 4) ZEND_ARG_INFO(0, object_id) ZEND_ARG_INFO(0, suffix_keys) ZEND_ARG_INFO(0, max_repetitions) ZEND_ARG_INFO(0, non_repeaters) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp_set, 0, 0, 3) ZEND_ARG_INFO(0, object_id) ZEND_ARG_INFO(0, type) ZEND_ARG_INFO(0, value) ZEND_END_ARG_INFO() ZEND_BEGIN_ARG_INFO_EX(arginfo_snmp_class_set_quick_print, 0, 0, 1) ZEND_ARG_INFO(0, quick_print) ZEND_END_ARG_INFO() /* }}} */ struct objid_query { int count; int offset; int step; long non_repeaters; long max_repetitions; int valueretrieval; int array_output; int oid_increasing_check; snmpobjarg *vars; }; /* {{{ snmp_functions[] */ const zend_function_entry snmp_functions[] = { PHP_FE(snmpget, arginfo_snmpget) PHP_FE(snmpgetnext, arginfo_snmpgetnext) PHP_FE(snmpwalk, arginfo_snmpwalk) PHP_FE(snmprealwalk, arginfo_snmprealwalk) PHP_FALIAS(snmpwalkoid, snmprealwalk, arginfo_snmprealwalk) PHP_FE(snmpset, arginfo_snmpset) PHP_FE(snmp_get_quick_print, arginfo_snmp_get_quick_print) PHP_FE(snmp_set_quick_print, arginfo_snmp_set_quick_print) PHP_FE(snmp_set_enum_print, arginfo_snmp_set_enum_print) PHP_FE(snmp_set_oid_output_format, arginfo_snmp_set_oid_output_format) PHP_FALIAS(snmp_set_oid_numeric_print, snmp_set_oid_output_format, arginfo_snmp_set_oid_output_format) PHP_FE(snmp2_get, arginfo_snmp2_get) PHP_FE(snmp2_getnext, arginfo_snmp2_getnext) PHP_FE(snmp2_walk, arginfo_snmp2_walk) PHP_FE(snmp2_real_walk, arginfo_snmp2_real_walk) PHP_FE(snmp2_set, arginfo_snmp2_set) PHP_FE(snmp3_get, arginfo_snmp3_get) PHP_FE(snmp3_getnext, arginfo_snmp3_getnext) PHP_FE(snmp3_walk, arginfo_snmp3_walk) PHP_FE(snmp3_real_walk, arginfo_snmp3_real_walk) PHP_FE(snmp3_set, arginfo_snmp3_set) PHP_FE(snmp_set_valueretrieval, arginfo_snmp_set_valueretrieval) PHP_FE(snmp_get_valueretrieval, arginfo_snmp_get_valueretrieval) PHP_FE(snmp_read_mib, arginfo_snmp_read_mib) PHP_FE_END }; /* }}} */ /* query an agent with GET method */ #define SNMP_CMD_GET (1<<0) /* query an agent with GETNEXT method */ #define SNMP_CMD_GETNEXT (1<<1) /* query an agent with SET method */ #define SNMP_CMD_SET (1<<2) /* walk the mib */ #define SNMP_CMD_WALK (1<<3) /* force values-only output */ #define SNMP_NUMERIC_KEYS (1<<7) /* use user-supplied OID names for keys in array output mode in GET method */ #define SNMP_ORIGINAL_NAMES_AS_KEYS (1<<8) /* use OID suffix (`index') for keys in array output mode in WALK method */ #define SNMP_USE_SUFFIX_AS_KEYS (1<<9) #ifdef COMPILE_DL_SNMP ZEND_GET_MODULE(snmp) #endif /* THREAD_LS snmp_module php_snmp_module; - may need one of these at some point */ /* {{{ PHP_GINIT_FUNCTION */ static PHP_GINIT_FUNCTION(snmp) { snmp_globals->valueretrieval = SNMP_VALUE_LIBRARY; } /* }}} */ #define PHP_SNMP_SESSION_FREE(a) { \ if ((*session)->a) { \ efree((*session)->a); \ (*session)->a = NULL; \ } \ } static void netsnmp_session_free(php_snmp_session **session) { if (*session) { PHP_SNMP_SESSION_FREE(peername); PHP_SNMP_SESSION_FREE(community); PHP_SNMP_SESSION_FREE(securityName); PHP_SNMP_SESSION_FREE(contextEngineID); efree(*session); *session = NULL; } } static void php_snmp_session_destructor(zend_rsrc_list_entry *rsrc TSRMLS_DC) { php_snmp_session *session = (php_snmp_session *)rsrc->ptr; netsnmp_session_free(&session); } static void php_snmp_object_free_storage(void *object TSRMLS_DC) { php_snmp_object *intern = (php_snmp_object *)object; if (!intern) { return; } netsnmp_session_free(&(intern->session)); zend_object_std_dtor(&intern->zo TSRMLS_CC); efree(intern); } static zend_object_value php_snmp_object_new(zend_class_entry *class_type TSRMLS_DC) /* {{{ */ { zend_object_value retval; php_snmp_object *intern; /* Allocate memory for it */ intern = emalloc(sizeof(php_snmp_object)); memset(&intern->zo, 0, sizeof(php_snmp_object)); zend_object_std_init(&intern->zo, class_type TSRMLS_CC); object_properties_init(&intern->zo, class_type); retval.handle = zend_objects_store_put(intern, (zend_objects_store_dtor_t)zend_objects_destroy_object, (zend_objects_free_object_storage_t) php_snmp_object_free_storage, NULL TSRMLS_CC); retval.handlers = (zend_object_handlers *) &php_snmp_object_handlers; return retval; } /* {{{ php_snmp_error * * Record last SNMP-related error in object * */ static void php_snmp_error(zval *object, const char *docref TSRMLS_DC, int type, const char *format, ...) { va_list args; php_snmp_object *snmp_object = NULL; if (object) { snmp_object = (php_snmp_object *)zend_object_store_get_object(object TSRMLS_CC); if (type == PHP_SNMP_ERRNO_NOERROR) { memset(snmp_object->snmp_errstr, 0, sizeof(snmp_object->snmp_errstr)); } else { va_start(args, format); vsnprintf(snmp_object->snmp_errstr, sizeof(snmp_object->snmp_errstr) - 1, format, args); va_end(args); } snmp_object->snmp_errno = type; } if (type == PHP_SNMP_ERRNO_NOERROR) { return; } if (object && (snmp_object->exceptions_enabled & type)) { zend_throw_exception_ex(php_snmp_exception_ce, type TSRMLS_CC, snmp_object->snmp_errstr); } else { va_start(args, format); php_verror(docref, "", E_WARNING, format, args TSRMLS_CC); va_end(args); } } /* }}} */ /* {{{ php_snmp_getvalue * * SNMP value to zval converter * */ static void php_snmp_getvalue(struct variable_list *vars, zval *snmpval TSRMLS_DC, int valueretrieval) { zval *val; char sbuf[512]; char *buf = &(sbuf[0]); char *dbuf = (char *)NULL; int buflen = sizeof(sbuf) - 1; int val_len = vars->val_len; /* use emalloc() for large values, use static array otherwize */ /* There is no way to know the size of buffer snprint_value() needs in order to print a value there. * So we are forced to probe it */ while ((valueretrieval & SNMP_VALUE_PLAIN) == 0) { *buf = '\0'; if (snprint_value(buf, buflen, vars->name, vars->name_length, vars) == -1) { if (val_len > 512*1024) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "snprint_value() asks for a buffer more than 512k, Net-SNMP bug?"); break; } /* buffer is not long enough to hold full output, double it */ val_len *= 2; } else { break; } if (buf == dbuf) { dbuf = (char *)erealloc(dbuf, val_len + 1); } else { dbuf = (char *)emalloc(val_len + 1); } if (!dbuf) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "emalloc() failed: %s, fallback to static buffer", strerror(errno)); buf = &(sbuf[0]); buflen = sizeof(sbuf) - 1; break; } buf = dbuf; buflen = val_len; } if((valueretrieval & SNMP_VALUE_PLAIN) && val_len > buflen){ if ((dbuf = (char *)emalloc(val_len + 1))) { buf = dbuf; buflen = val_len; } else { php_error_docref(NULL TSRMLS_CC, E_WARNING, "emalloc() failed: %s, fallback to static buffer", strerror(errno)); } } MAKE_STD_ZVAL(val); if (valueretrieval & SNMP_VALUE_PLAIN) { *buf = 0; switch (vars->type) { case ASN_BIT_STR: /* 0x03, asn1.h */ ZVAL_STRINGL(val, (char *)vars->val.bitstring, vars->val_len, 1); break; case ASN_OCTET_STR: /* 0x04, asn1.h */ case ASN_OPAQUE: /* 0x44, snmp_impl.h */ ZVAL_STRINGL(val, (char *)vars->val.string, vars->val_len, 1); break; case ASN_NULL: /* 0x05, asn1.h */ ZVAL_NULL(val); break; case ASN_OBJECT_ID: /* 0x06, asn1.h */ snprint_objid(buf, buflen, vars->val.objid, vars->val_len / sizeof(oid)); ZVAL_STRING(val, buf, 1); break; case ASN_IPADDRESS: /* 0x40, snmp_impl.h */ snprintf(buf, buflen, "%d.%d.%d.%d", (vars->val.string)[0], (vars->val.string)[1], (vars->val.string)[2], (vars->val.string)[3]); buf[buflen]=0; ZVAL_STRING(val, buf, 1); break; case ASN_COUNTER: /* 0x41, snmp_impl.h */ case ASN_GAUGE: /* 0x42, snmp_impl.h */ /* ASN_UNSIGNED is the same as ASN_GAUGE */ case ASN_TIMETICKS: /* 0x43, snmp_impl.h */ case ASN_UINTEGER: /* 0x47, snmp_impl.h */ snprintf(buf, buflen, "%lu", *vars->val.integer); buf[buflen]=0; ZVAL_STRING(val, buf, 1); break; case ASN_INTEGER: /* 0x02, asn1.h */ snprintf(buf, buflen, "%ld", *vars->val.integer); buf[buflen]=0; ZVAL_STRING(val, buf, 1); break; #if defined(NETSNMP_WITH_OPAQUE_SPECIAL_TYPES) || defined(OPAQUE_SPECIAL_TYPES) case ASN_OPAQUE_FLOAT: /* 0x78, asn1.h */ snprintf(buf, buflen, "%f", *vars->val.floatVal); ZVAL_STRING(val, buf, 1); break; case ASN_OPAQUE_DOUBLE: /* 0x79, asn1.h */ snprintf(buf, buflen, "%Lf", *vars->val.doubleVal); ZVAL_STRING(val, buf, 1); break; case ASN_OPAQUE_I64: /* 0x80, asn1.h */ printI64(buf, vars->val.counter64); ZVAL_STRING(val, buf, 1); break; case ASN_OPAQUE_U64: /* 0x81, asn1.h */ #endif case ASN_COUNTER64: /* 0x46, snmp_impl.h */ printU64(buf, vars->val.counter64); ZVAL_STRING(val, buf, 1); break; default: ZVAL_STRING(val, "Unknown value type", 1); php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unknown value type: %u", vars->type); break; } } else /* use Net-SNMP value translation */ { /* we have desired string in buffer, just use it */ ZVAL_STRING(val, buf, 1); } if (valueretrieval & SNMP_VALUE_OBJECT) { object_init(snmpval); add_property_long(snmpval, "type", vars->type); add_property_zval(snmpval, "value", val); } else { *snmpval = *val; zval_copy_ctor(snmpval); } zval_ptr_dtor(&val); if(dbuf){ /* malloc was used to store value */ efree(dbuf); } } /* }}} */ /* {{{ php_snmp_internal * * SNMP object fetcher/setter for all SNMP versions * */ static void php_snmp_internal(INTERNAL_FUNCTION_PARAMETERS, int st, struct snmp_session *session, struct objid_query *objid_query) { struct snmp_session *ss; struct snmp_pdu *pdu=NULL, *response; struct variable_list *vars; oid root[MAX_NAME_LEN]; size_t rootlen = 0; int status, count, found; char buf[2048]; char buf2[2048]; int keepwalking=1; char *err; zval *snmpval = NULL; int snmp_errno; /* we start with retval=FALSE. If any actual data is acquired, retval will be set to appropriate type */ RETVAL_FALSE; /* reset errno and errstr */ php_snmp_error(getThis(), NULL TSRMLS_CC, PHP_SNMP_ERRNO_NOERROR, ""); if (st & SNMP_CMD_WALK) { /* remember root OID */ memmove((char *)root, (char *)(objid_query->vars[0].name), (objid_query->vars[0].name_length) * sizeof(oid)); rootlen = objid_query->vars[0].name_length; objid_query->offset = objid_query->count; } if ((ss = snmp_open(session)) == NULL) { snmp_error(session, NULL, NULL, &err); php_error_docref(NULL TSRMLS_CC, E_WARNING, "Could not open snmp connection: %s", err); free(err); RETVAL_FALSE; return; } if ((st & SNMP_CMD_SET) && objid_query->count > objid_query->step) { php_snmp_error(getThis(), NULL TSRMLS_CC, PHP_SNMP_ERRNO_MULTIPLE_SET_QUERIES, "Can not fit all OIDs for SET query into one packet, using multiple queries"); } while (keepwalking) { keepwalking = 0; if (st & SNMP_CMD_WALK) { if (session->version == SNMP_VERSION_1) { pdu = snmp_pdu_create(SNMP_MSG_GETNEXT); } else { pdu = snmp_pdu_create(SNMP_MSG_GETBULK); pdu->non_repeaters = objid_query->non_repeaters; pdu->max_repetitions = objid_query->max_repetitions; } snmp_add_null_var(pdu, objid_query->vars[0].name, objid_query->vars[0].name_length); } else { if (st & SNMP_CMD_GET) { pdu = snmp_pdu_create(SNMP_MSG_GET); } else if (st & SNMP_CMD_GETNEXT) { pdu = snmp_pdu_create(SNMP_MSG_GETNEXT); } else if (st & SNMP_CMD_SET) { pdu = snmp_pdu_create(SNMP_MSG_SET); } else { snmp_close(ss); php_error_docref(NULL TSRMLS_CC, E_ERROR, "Unknown SNMP command (internals)"); RETVAL_FALSE; return; } for (count = 0; objid_query->offset < objid_query->count && count < objid_query->step; objid_query->offset++, count++){ if (st & SNMP_CMD_SET) { if ((snmp_errno = snmp_add_var(pdu, objid_query->vars[objid_query->offset].name, objid_query->vars[objid_query->offset].name_length, objid_query->vars[objid_query->offset].type, objid_query->vars[objid_query->offset].value))) { snprint_objid(buf, sizeof(buf), objid_query->vars[objid_query->offset].name, objid_query->vars[objid_query->offset].name_length); php_snmp_error(getThis(), NULL TSRMLS_CC, PHP_SNMP_ERRNO_OID_PARSING_ERROR, "Could not add variable: OID='%s' type='%c' value='%s': %s", buf, objid_query->vars[objid_query->offset].type, objid_query->vars[objid_query->offset].value, snmp_api_errstring(snmp_errno)); snmp_free_pdu(pdu); snmp_close(ss); RETVAL_FALSE; return; } } else { snmp_add_null_var(pdu, objid_query->vars[objid_query->offset].name, objid_query->vars[objid_query->offset].name_length); } } if(pdu->variables == NULL){ snmp_free_pdu(pdu); snmp_close(ss); RETVAL_FALSE; return; } } retry: status = snmp_synch_response(ss, pdu, &response); if (status == STAT_SUCCESS) { if (response->errstat == SNMP_ERR_NOERROR) { if (st & SNMP_CMD_SET) { if (objid_query->offset < objid_query->count) { /* we have unprocessed OIDs */ keepwalking = 1; continue; } snmp_free_pdu(response); snmp_close(ss); RETVAL_TRUE; return; } for (vars = response->variables; vars; vars = vars->next_variable) { /* do not output errors as values */ if ( vars->type == SNMP_ENDOFMIBVIEW || vars->type == SNMP_NOSUCHOBJECT || vars->type == SNMP_NOSUCHINSTANCE ) { if ((st & SNMP_CMD_WALK) && Z_TYPE_P(return_value) == IS_ARRAY) { break; } snprint_objid(buf, sizeof(buf), vars->name, vars->name_length); snprint_value(buf2, sizeof(buf2), vars->name, vars->name_length, vars); php_snmp_error(getThis(), NULL TSRMLS_CC, PHP_SNMP_ERRNO_ERROR_IN_REPLY, "Error in packet at '%s': %s", buf, buf2); continue; } if ((st & SNMP_CMD_WALK) && (vars->name_length < rootlen || memcmp(root, vars->name, rootlen * sizeof(oid)))) { /* not part of this subtree */ if (Z_TYPE_P(return_value) == IS_ARRAY) { /* some records are fetched already, shut down further lookup */ keepwalking = 0; } else { /* first fetched OID is out of subtree, fallback to GET query */ st |= SNMP_CMD_GET; st ^= SNMP_CMD_WALK; objid_query->offset = 0; keepwalking = 1; } break; } MAKE_STD_ZVAL(snmpval); php_snmp_getvalue(vars, snmpval TSRMLS_CC, objid_query->valueretrieval); if (objid_query->array_output) { if (Z_TYPE_P(return_value) == IS_BOOL) { array_init(return_value); } if (st & SNMP_NUMERIC_KEYS) { add_next_index_zval(return_value, snmpval); } else if (st & SNMP_ORIGINAL_NAMES_AS_KEYS && st & SNMP_CMD_GET) { found = 0; for (count = 0; count < objid_query->count; count++) { if (objid_query->vars[count].name_length == vars->name_length && snmp_oid_compare(objid_query->vars[count].name, objid_query->vars[count].name_length, vars->name, vars->name_length) == 0) { found = 1; objid_query->vars[count].name_length = 0; /* mark this name as used */ break; } } if (found) { add_assoc_zval(return_value, objid_query->vars[count].oid, snmpval); } else { snprint_objid(buf2, sizeof(buf2), vars->name, vars->name_length); php_error_docref(NULL TSRMLS_CC, E_WARNING, "Could not find original OID name for '%s'", buf2); } } else if (st & SNMP_USE_SUFFIX_AS_KEYS && st & SNMP_CMD_WALK) { snprint_objid(buf2, sizeof(buf2), vars->name, vars->name_length); if (rootlen <= vars->name_length && snmp_oid_compare(root, rootlen, vars->name, rootlen) == 0) { buf2[0] = '\0'; count = rootlen; while(count < vars->name_length){ sprintf(buf, "%lu.", vars->name[count]); strcat(buf2, buf); count++; } buf2[strlen(buf2) - 1] = '\0'; /* remove trailing '.' */ } add_assoc_zval(return_value, buf2, snmpval); } else { snprint_objid(buf2, sizeof(buf2), vars->name, vars->name_length); add_assoc_zval(return_value, buf2, snmpval); } } else { *return_value = *snmpval; zval_copy_ctor(return_value); zval_ptr_dtor(&snmpval); break; } /* OID increase check */ if (st & SNMP_CMD_WALK) { if (objid_query->oid_increasing_check == TRUE && snmp_oid_compare(objid_query->vars[0].name, objid_query->vars[0].name_length, vars->name, vars->name_length) >= 0) { snprint_objid(buf2, sizeof(buf2), vars->name, vars->name_length); php_snmp_error(getThis(), NULL TSRMLS_CC, PHP_SNMP_ERRNO_OID_NOT_INCREASING, "Error: OID not increasing: %s", buf2); keepwalking = 0; } else { memmove((char *)(objid_query->vars[0].name), (char *)vars->name, vars->name_length * sizeof(oid)); objid_query->vars[0].name_length = vars->name_length; keepwalking = 1; } } } if (objid_query->offset < objid_query->count) { /* we have unprocessed OIDs */ keepwalking = 1; } } else { if (st & SNMP_CMD_WALK && response->errstat == SNMP_ERR_TOOBIG && objid_query->max_repetitions > 1) { /* Answer will not fit into single packet */ objid_query->max_repetitions /= 2; snmp_free_pdu(response); keepwalking = 1; continue; } if (!(st & SNMP_CMD_WALK) || response->errstat != SNMP_ERR_NOSUCHNAME || Z_TYPE_P(return_value) == IS_BOOL) { for ( count=1, vars = response->variables; vars && count != response->errindex; vars = vars->next_variable, count++); if (st & (SNMP_CMD_GET | SNMP_CMD_GETNEXT) && response->errstat == SNMP_ERR_TOOBIG && objid_query->step > 1) { /* Answer will not fit into single packet */ objid_query->offset = ((objid_query->offset > objid_query->step) ? (objid_query->offset - objid_query->step) : 0 ); objid_query->step /= 2; snmp_free_pdu(response); keepwalking = 1; continue; } if (vars) { snprint_objid(buf, sizeof(buf), vars->name, vars->name_length); php_snmp_error(getThis(), NULL TSRMLS_CC, PHP_SNMP_ERRNO_ERROR_IN_REPLY, "Error in packet at '%s': %s", buf, snmp_errstring(response->errstat)); } else { php_snmp_error(getThis(), NULL TSRMLS_CC, PHP_SNMP_ERRNO_ERROR_IN_REPLY, "Error in packet at %u object_id: %s", response->errindex, snmp_errstring(response->errstat)); } if (st & (SNMP_CMD_GET | SNMP_CMD_GETNEXT)) { /* cut out bogus OID and retry */ if ((pdu = snmp_fix_pdu(response, ((st & SNMP_CMD_GET) ? SNMP_MSG_GET : SNMP_MSG_GETNEXT) )) != NULL) { snmp_free_pdu(response); goto retry; } } snmp_free_pdu(response); snmp_close(ss); if (objid_query->array_output) { zval_dtor(return_value); } RETVAL_FALSE; return; } } } else if (status == STAT_TIMEOUT) { php_snmp_error(getThis(), NULL TSRMLS_CC, PHP_SNMP_ERRNO_TIMEOUT, "No response from %s", session->peername); if (objid_query->array_output) { zval_dtor(return_value); } snmp_close(ss); RETVAL_FALSE; return; } else { /* status == STAT_ERROR */ snmp_error(ss, NULL, NULL, &err); php_snmp_error(getThis(), NULL TSRMLS_CC, PHP_SNMP_ERRNO_GENERIC, "Fatal error: %s", err); free(err); if (objid_query->array_output) { zval_dtor(return_value); } snmp_close(ss); RETVAL_FALSE; return; } if (response) { snmp_free_pdu(response); } } /* keepwalking */ snmp_close(ss); } /* }}} */ /* {{{ php_snmp_parse_oid * * OID parser (and type, value for SNMP_SET command) */ static int php_snmp_parse_oid(zval *object, int st, struct objid_query *objid_query, zval **oid, zval **type, zval **value TSRMLS_DC) { char *pptr; HashPosition pos_oid, pos_type, pos_value; zval **tmp_oid, **tmp_type, **tmp_value; if (Z_TYPE_PP(oid) != IS_ARRAY) { if (Z_ISREF_PP(oid)) { SEPARATE_ZVAL(oid); } convert_to_string_ex(oid); } else if (Z_TYPE_PP(oid) == IS_ARRAY) { zend_hash_internal_pointer_reset_ex(Z_ARRVAL_PP(oid), &pos_oid); } if (st & SNMP_CMD_SET) { if (Z_TYPE_PP(type) != IS_ARRAY) { if (Z_ISREF_PP(type)) { SEPARATE_ZVAL(type); } convert_to_string_ex(type); } else if (Z_TYPE_PP(type) == IS_ARRAY) { zend_hash_internal_pointer_reset_ex(Z_ARRVAL_PP(type), &pos_type); } if (Z_TYPE_PP(value) != IS_ARRAY) { if (Z_ISREF_PP(value)) { SEPARATE_ZVAL(value); } convert_to_string_ex(value); } else if (Z_TYPE_PP(value) == IS_ARRAY) { zend_hash_internal_pointer_reset_ex(Z_ARRVAL_PP(value), &pos_value); } } objid_query->count = 0; objid_query->array_output = ((st & SNMP_CMD_WALK) ? TRUE : FALSE); if (Z_TYPE_PP(oid) == IS_STRING) { objid_query->vars = (snmpobjarg *)emalloc(sizeof(snmpobjarg)); if (objid_query->vars == NULL) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "emalloc() failed while parsing oid: %s", strerror(errno)); efree(objid_query->vars); return FALSE; } objid_query->vars[objid_query->count].oid = Z_STRVAL_PP(oid); if (st & SNMP_CMD_SET) { if (Z_TYPE_PP(type) == IS_STRING && Z_TYPE_PP(value) == IS_STRING) { if (Z_STRLEN_PP(type) != 1) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Bogus type '%s', should be single char, got %u", Z_STRVAL_PP(type), Z_STRLEN_PP(type)); efree(objid_query->vars); return FALSE; } pptr = Z_STRVAL_PP(type); objid_query->vars[objid_query->count].type = *pptr; objid_query->vars[objid_query->count].value = Z_STRVAL_PP(value); } else { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Single objid and multiple type or values are not supported"); efree(objid_query->vars); return FALSE; } } objid_query->count++; } else if (Z_TYPE_PP(oid) == IS_ARRAY) { /* we got objid array */ if (zend_hash_num_elements(Z_ARRVAL_PP(oid)) == 0) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Got empty OID array"); return FALSE; } objid_query->vars = (snmpobjarg *)emalloc(sizeof(snmpobjarg) * zend_hash_num_elements(Z_ARRVAL_PP(oid))); if (objid_query->vars == NULL) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "emalloc() failed while parsing oid array: %s", strerror(errno)); efree(objid_query->vars); return FALSE; } objid_query->array_output = ( (st & SNMP_CMD_SET) ? FALSE : TRUE ); for ( zend_hash_internal_pointer_reset_ex(Z_ARRVAL_PP(oid), &pos_oid); zend_hash_get_current_data_ex(Z_ARRVAL_PP(oid), (void **) &tmp_oid, &pos_oid) == SUCCESS; zend_hash_move_forward_ex(Z_ARRVAL_PP(oid), &pos_oid) ) { convert_to_string_ex(tmp_oid); objid_query->vars[objid_query->count].oid = Z_STRVAL_PP(tmp_oid); if (st & SNMP_CMD_SET) { if (Z_TYPE_PP(type) == IS_STRING) { pptr = Z_STRVAL_PP(type); objid_query->vars[objid_query->count].type = *pptr; } else if (Z_TYPE_PP(type) == IS_ARRAY) { if (SUCCESS == zend_hash_get_current_data_ex(Z_ARRVAL_PP(type), (void **) &tmp_type, &pos_type)) { convert_to_string_ex(tmp_type); if (Z_STRLEN_PP(tmp_type) != 1) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "'%s': bogus type '%s', should be single char, got %u", Z_STRVAL_PP(tmp_oid), Z_STRVAL_PP(tmp_type), Z_STRLEN_PP(tmp_type)); efree(objid_query->vars); return FALSE; } pptr = Z_STRVAL_PP(tmp_type); objid_query->vars[objid_query->count].type = *pptr; zend_hash_move_forward_ex(Z_ARRVAL_PP(type), &pos_type); } else { php_error_docref(NULL TSRMLS_CC, E_WARNING, "'%s': no type set", Z_STRVAL_PP(tmp_oid)); efree(objid_query->vars); return FALSE; } } if (Z_TYPE_PP(value) == IS_STRING) { objid_query->vars[objid_query->count].value = Z_STRVAL_PP(value); } else if (Z_TYPE_PP(value) == IS_ARRAY) { if (SUCCESS == zend_hash_get_current_data_ex(Z_ARRVAL_PP(value), (void **) &tmp_value, &pos_value)) { convert_to_string_ex(tmp_value); objid_query->vars[objid_query->count].value = Z_STRVAL_PP(tmp_value); zend_hash_move_forward_ex(Z_ARRVAL_PP(value), &pos_value); } else { php_error_docref(NULL TSRMLS_CC, E_WARNING, "'%s': no value set", Z_STRVAL_PP(tmp_oid)); efree(objid_query->vars); return FALSE; } } } objid_query->count++; } } /* now parse all OIDs */ if (st & SNMP_CMD_WALK) { if (objid_query->count > 1) { php_snmp_error(object, NULL TSRMLS_CC, PHP_SNMP_ERRNO_OID_PARSING_ERROR, "Multi OID walks are not supported!"); efree(objid_query->vars); return FALSE; } objid_query->vars[0].name_length = MAX_NAME_LEN; if (strlen(objid_query->vars[0].oid)) { /* on a walk, an empty string means top of tree - no error */ if (!snmp_parse_oid(objid_query->vars[0].oid, objid_query->vars[0].name, &(objid_query->vars[0].name_length))) { php_snmp_error(object, NULL TSRMLS_CC, PHP_SNMP_ERRNO_OID_PARSING_ERROR, "Invalid object identifier: %s", objid_query->vars[0].oid); efree(objid_query->vars); return FALSE; } } else { memmove((char *)objid_query->vars[0].name, (char *)objid_mib, sizeof(objid_mib)); objid_query->vars[0].name_length = sizeof(objid_mib) / sizeof(oid); } } else { for (objid_query->offset = 0; objid_query->offset < objid_query->count; objid_query->offset++) { objid_query->vars[objid_query->offset].name_length = MAX_OID_LEN; if (!snmp_parse_oid(objid_query->vars[objid_query->offset].oid, objid_query->vars[objid_query->offset].name, &(objid_query->vars[objid_query->offset].name_length))) { php_snmp_error(object, NULL TSRMLS_CC, PHP_SNMP_ERRNO_OID_PARSING_ERROR, "Invalid object identifier: %s", objid_query->vars[objid_query->offset].oid); efree(objid_query->vars); return FALSE; } } } objid_query->offset = 0; objid_query->step = objid_query->count; return (objid_query->count > 0); } /* }}} */ /* {{{ netsnmp_session_init allocates memory for session and session->peername, caller should free it manually using netsnmp_session_free() and efree() */ static int netsnmp_session_init(php_snmp_session **session_p, int version, char *hostname, char *community, int timeout, int retries TSRMLS_DC) { php_snmp_session *session; char *pptr, *host_ptr; int force_ipv6 = FALSE; int n; struct sockaddr **psal; struct sockaddr **res; *session_p = (php_snmp_session *)emalloc(sizeof(php_snmp_session)); session = *session_p; if (session == NULL) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "emalloc() failed allocating session"); return (-1); } memset(session, 0, sizeof(php_snmp_session)); snmp_sess_init(session); session->version = version; session->remote_port = SNMP_PORT; session->peername = emalloc(MAX_NAME_LEN); if (session->peername == NULL) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "emalloc() failed while copying hostname"); return (-1); } /* we copy original hostname for further processing */ strlcpy(session->peername, hostname, MAX_NAME_LEN); host_ptr = session->peername; /* Reading the hostname and its optional non-default port number */ if (*host_ptr == '[') { /* IPv6 address */ force_ipv6 = TRUE; host_ptr++; if ((pptr = strchr(host_ptr, ']'))) { if (pptr[1] == ':') { session->remote_port = atoi(pptr + 2); } *pptr = '\0'; } else { php_error_docref(NULL TSRMLS_CC, E_WARNING, "malformed IPv6 address, closing square bracket missing"); return (-1); } } else { /* IPv4 address */ if ((pptr = strchr(host_ptr, ':'))) { session->remote_port = atoi(pptr + 1); *pptr = '\0'; } } /* since Net-SNMP library requires 'udp6:' prefix for all IPv6 addresses (in FQDN form too) we need to perform possible name resolution before running any SNMP queries */ if ((n = php_network_getaddresses(host_ptr, SOCK_DGRAM, &psal, NULL TSRMLS_CC)) == 0) { /* some resolver error */ /* warnings sent, bailing out */ return (-1); } /* we have everything we need in psal, flush peername and fill it properly */ *(session->peername) = '\0'; res = psal; while (n-- > 0) { pptr = session->peername; #if HAVE_GETADDRINFO && HAVE_IPV6 && HAVE_INET_NTOP if (force_ipv6 && (*res)->sa_family != AF_INET6) { res++; continue; } if ((*res)->sa_family == AF_INET6) { strcpy(session->peername, "udp6:["); pptr = session->peername + strlen(session->peername); inet_ntop((*res)->sa_family, &(((struct sockaddr_in6*)(*res))->sin6_addr), pptr, MAX_NAME_LEN); strcat(pptr, "]"); } else if ((*res)->sa_family == AF_INET) { inet_ntop((*res)->sa_family, &(((struct sockaddr_in*)(*res))->sin_addr), pptr, MAX_NAME_LEN); } else { res++; continue; } #else if ((*res)->sa_family != AF_INET) { res++; continue; } strcat(pptr, inet_ntoa(((struct sockaddr_in*)(*res))->sin_addr)); #endif break; } if (strlen(session->peername) == 0) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unknown failure while resolving '%s'", hostname); return (-1); } /* XXX FIXME There should be check for non-empty session->peername! */ /* put back non-standard SNMP port */ if (session->remote_port != SNMP_PORT) { pptr = session->peername + strlen(session->peername); sprintf(pptr, ":%d", session->remote_port); } php_network_freeaddresses(psal); if (version == SNMP_VERSION_3) { /* Setting the security name. */ session->securityName = estrdup(community); session->securityNameLen = strlen(session->securityName); } else { session->authenticator = NULL; session->community = (u_char *)estrdup(community); session->community_len = strlen(community); } session->retries = retries; session->timeout = timeout; return (0); } /* }}} */ /* {{{ int netsnmp_session_set_sec_level(struct snmp_session *s, char *level) Set the security level in the snmpv3 session */ static int netsnmp_session_set_sec_level(struct snmp_session *s, char *level) { if (!strcasecmp(level, "noAuthNoPriv") || !strcasecmp(level, "nanp")) { s->securityLevel = SNMP_SEC_LEVEL_NOAUTH; } else if (!strcasecmp(level, "authNoPriv") || !strcasecmp(level, "anp")) { s->securityLevel = SNMP_SEC_LEVEL_AUTHNOPRIV; } else if (!strcasecmp(level, "authPriv") || !strcasecmp(level, "ap")) { s->securityLevel = SNMP_SEC_LEVEL_AUTHPRIV; } else { return (-1); } return (0); } /* }}} */ /* {{{ int netsnmp_session_set_auth_protocol(struct snmp_session *s, char *prot) Set the authentication protocol in the snmpv3 session */ static int netsnmp_session_set_auth_protocol(struct snmp_session *s, char *prot TSRMLS_DC) { if (!strcasecmp(prot, "MD5")) { s->securityAuthProto = usmHMACMD5AuthProtocol; s->securityAuthProtoLen = USM_AUTH_PROTO_MD5_LEN; } else if (!strcasecmp(prot, "SHA")) { s->securityAuthProto = usmHMACSHA1AuthProtocol; s->securityAuthProtoLen = USM_AUTH_PROTO_SHA_LEN; } else { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unknown authentication protocol '%s'", prot); return (-1); } return (0); } /* }}} */ /* {{{ int netsnmp_session_set_sec_protocol(struct snmp_session *s, char *prot) Set the security protocol in the snmpv3 session */ static int netsnmp_session_set_sec_protocol(struct snmp_session *s, char *prot TSRMLS_DC) { if (!strcasecmp(prot, "DES")) { s->securityPrivProto = usmDESPrivProtocol; s->securityPrivProtoLen = USM_PRIV_PROTO_DES_LEN; #ifdef HAVE_AES } else if (!strcasecmp(prot, "AES128") || !strcasecmp(prot, "AES")) { s->securityPrivProto = usmAESPrivProtocol; s->securityPrivProtoLen = USM_PRIV_PROTO_AES_LEN; #endif } else { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unknown security protocol '%s'", prot); return (-1); } return (0); } /* }}} */ /* {{{ int netsnmp_session_gen_auth_key(struct snmp_session *s, char *pass) Make key from pass phrase in the snmpv3 session */ static int netsnmp_session_gen_auth_key(struct snmp_session *s, char *pass TSRMLS_DC) { int snmp_errno; s->securityAuthKeyLen = USM_AUTH_KU_LEN; if ((snmp_errno = generate_Ku(s->securityAuthProto, s->securityAuthProtoLen, (u_char *) pass, strlen(pass), s->securityAuthKey, &(s->securityAuthKeyLen)))) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Error generating a key for authentication pass phrase '%s': %s", pass, snmp_api_errstring(snmp_errno)); return (-1); } return (0); } /* }}} */ /* {{{ int netsnmp_session_gen_sec_key(struct snmp_session *s, u_char *pass) Make key from pass phrase in the snmpv3 session */ static int netsnmp_session_gen_sec_key(struct snmp_session *s, char *pass TSRMLS_DC) { int snmp_errno; s->securityPrivKeyLen = USM_PRIV_KU_LEN; if ((snmp_errno = generate_Ku(s->securityAuthProto, s->securityAuthProtoLen, (u_char *)pass, strlen(pass), s->securityPrivKey, &(s->securityPrivKeyLen)))) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Error generating a key for privacy pass phrase '%s': %s", pass, snmp_api_errstring(snmp_errno)); return (-2); } return (0); } /* }}} */ /* {{{ in netsnmp_session_set_contextEngineID(struct snmp_session *s, u_char * contextEngineID) Set context Engine Id in the snmpv3 session */ static int netsnmp_session_set_contextEngineID(struct snmp_session *s, char * contextEngineID TSRMLS_DC) { size_t ebuf_len = 32, eout_len = 0; u_char *ebuf = (u_char *) emalloc(ebuf_len); if (ebuf == NULL) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "malloc failure setting contextEngineID"); return (-1); } if (!snmp_hex_to_binary(&ebuf, &ebuf_len, &eout_len, 1, contextEngineID)) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Bad engine ID value '%s'", contextEngineID); efree(ebuf); return (-1); } if (s->contextEngineID) { efree(s->contextEngineID); } s->contextEngineID = ebuf; s->contextEngineIDLen = eout_len; return (0); } /* }}} */ /* {{{ php_set_security(struct snmp_session *session, char *sec_level, char *auth_protocol, char *auth_passphrase, char *priv_protocol, char *priv_passphrase, char *contextName, char *contextEngineID) Set all snmpv3-related security options */ static int netsnmp_session_set_security(struct snmp_session *session, char *sec_level, char *auth_protocol, char *auth_passphrase, char *priv_protocol, char *priv_passphrase, char *contextName, char *contextEngineID TSRMLS_DC) { /* Setting the security level. */ if (netsnmp_session_set_sec_level(session, sec_level)) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Invalid security level '%s'", sec_level); return (-1); } if (session->securityLevel == SNMP_SEC_LEVEL_AUTHNOPRIV || session->securityLevel == SNMP_SEC_LEVEL_AUTHPRIV) { /* Setting the authentication protocol. */ if (netsnmp_session_set_auth_protocol(session, auth_protocol TSRMLS_CC)) { /* Warning message sent already, just bail out */ return (-1); } /* Setting the authentication passphrase. */ if (netsnmp_session_gen_auth_key(session, auth_passphrase TSRMLS_CC)) { /* Warning message sent already, just bail out */ return (-1); } if (session->securityLevel == SNMP_SEC_LEVEL_AUTHPRIV) { /* Setting the security protocol. */ if (netsnmp_session_set_sec_protocol(session, priv_protocol TSRMLS_CC)) { /* Warning message sent already, just bail out */ return (-1); } /* Setting the security protocol passphrase. */ if (netsnmp_session_gen_sec_key(session, priv_passphrase TSRMLS_CC)) { /* Warning message sent already, just bail out */ return (-1); } } } /* Setting contextName if specified */ if (contextName) { session->contextName = contextName; session->contextNameLen = strlen(contextName); } /* Setting contextEngineIS if specified */ if (contextEngineID && strlen(contextEngineID) && netsnmp_session_set_contextEngineID(session, contextEngineID TSRMLS_CC)) { /* Warning message sent already, just bail out */ return (-1); } return (0); } /* }}} */ /* {{{ php_snmp * * Generic SNMP handler for all versions. * This function makes use of the internal SNMP object fetcher. * Used both in old (non-OO) and OO API * */ static void php_snmp(INTERNAL_FUNCTION_PARAMETERS, int st, int version) { zval **oid, **value, **type; char *a1, *a2, *a3, *a4, *a5, *a6, *a7; int a1_len, a2_len, a3_len, a4_len, a5_len, a6_len, a7_len; zend_bool use_orignames = 0, suffix_keys = 0; long timeout = SNMP_DEFAULT_TIMEOUT; long retries = SNMP_DEFAULT_RETRIES; int argc = ZEND_NUM_ARGS(); struct objid_query objid_query; php_snmp_session *session; int session_less_mode = (getThis() == NULL); php_snmp_object *snmp_object; php_snmp_object glob_snmp_object; objid_query.max_repetitions = -1; objid_query.non_repeaters = 0; objid_query.valueretrieval = SNMP_G(valueretrieval); objid_query.oid_increasing_check = TRUE; if (session_less_mode) { if (version == SNMP_VERSION_3) { if (st & SNMP_CMD_SET) { if (zend_parse_parameters(argc TSRMLS_CC, "sssssssZZZ|ll", &a1, &a1_len, &a2, &a2_len, &a3, &a3_len, &a4, &a4_len, &a5, &a5_len, &a6, &a6_len, &a7, &a7_len, &oid, &type, &value, &timeout, &retries) == FAILURE) { RETURN_FALSE; } } else { /* SNMP_CMD_GET * SNMP_CMD_GETNEXT * SNMP_CMD_WALK */ if (zend_parse_parameters(argc TSRMLS_CC, "sssssssZ|ll", &a1, &a1_len, &a2, &a2_len, &a3, &a3_len, &a4, &a4_len, &a5, &a5_len, &a6, &a6_len, &a7, &a7_len, &oid, &timeout, &retries) == FAILURE) { RETURN_FALSE; } } } else { if (st & SNMP_CMD_SET) { if (zend_parse_parameters(argc TSRMLS_CC, "ssZZZ|ll", &a1, &a1_len, &a2, &a2_len, &oid, &type, &value, &timeout, &retries) == FAILURE) { RETURN_FALSE; } } else { /* SNMP_CMD_GET * SNMP_CMD_GETNEXT * SNMP_CMD_WALK */ if (zend_parse_parameters(argc TSRMLS_CC, "ssZ|ll", &a1, &a1_len, &a2, &a2_len, &oid, &timeout, &retries) == FAILURE) { RETURN_FALSE; } } } } else { if (st & SNMP_CMD_SET) { if (zend_parse_parameters(argc TSRMLS_CC, "ZZZ", &oid, &type, &value) == FAILURE) { RETURN_FALSE; } } else if (st & SNMP_CMD_WALK) { if (zend_parse_parameters(argc TSRMLS_CC, "Z|bll", &oid, &suffix_keys, &(objid_query.max_repetitions), &(objid_query.non_repeaters)) == FAILURE) { RETURN_FALSE; } if (suffix_keys) { st |= SNMP_USE_SUFFIX_AS_KEYS; } } else if (st & SNMP_CMD_GET) { if (zend_parse_parameters(argc TSRMLS_CC, "Z|b", &oid, &use_orignames) == FAILURE) { RETURN_FALSE; } if (use_orignames) { st |= SNMP_ORIGINAL_NAMES_AS_KEYS; } } else { /* SNMP_CMD_GETNEXT */ if (zend_parse_parameters(argc TSRMLS_CC, "Z", &oid) == FAILURE) { RETURN_FALSE; } } } if (!php_snmp_parse_oid(getThis(), st, &objid_query, oid, type, value TSRMLS_CC)) { RETURN_FALSE; } if (session_less_mode) { if (netsnmp_session_init(&session, version, a1, a2, timeout, retries TSRMLS_CC)) { efree(objid_query.vars); netsnmp_session_free(&session); RETURN_FALSE; } if (version == SNMP_VERSION_3 && netsnmp_session_set_security(session, a3, a4, a5, a6, a7, NULL, NULL TSRMLS_CC)) { efree(objid_query.vars); netsnmp_session_free(&session); /* Warning message sent already, just bail out */ RETURN_FALSE; } } else { zval *object = getThis(); snmp_object = (php_snmp_object *)zend_object_store_get_object(object TSRMLS_CC); session = snmp_object->session; if (!session) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Invalid or uninitialized SNMP object"); efree(objid_query.vars); RETURN_FALSE; } if (snmp_object->max_oids > 0) { objid_query.step = snmp_object->max_oids; if (objid_query.max_repetitions < 0) { /* unspecified in function call, use session-wise */ objid_query.max_repetitions = snmp_object->max_oids; } } objid_query.oid_increasing_check = snmp_object->oid_increasing_check; objid_query.valueretrieval = snmp_object->valueretrieval; glob_snmp_object.enum_print = netsnmp_ds_get_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_PRINT_NUMERIC_ENUM); netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_PRINT_NUMERIC_ENUM, snmp_object->enum_print); glob_snmp_object.quick_print = netsnmp_ds_get_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_QUICK_PRINT); netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_QUICK_PRINT, snmp_object->quick_print); glob_snmp_object.oid_output_format = netsnmp_ds_get_int(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_OID_OUTPUT_FORMAT); netsnmp_ds_set_int(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_OID_OUTPUT_FORMAT, snmp_object->oid_output_format); } if (objid_query.max_repetitions < 0) { objid_query.max_repetitions = 20; /* provide correct default value */ } php_snmp_internal(INTERNAL_FUNCTION_PARAM_PASSTHRU, st, session, &objid_query); efree(objid_query.vars); if (session_less_mode) { netsnmp_session_free(&session); } else { netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_PRINT_NUMERIC_ENUM, glob_snmp_object.enum_print); netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_QUICK_PRINT, glob_snmp_object.quick_print); netsnmp_ds_set_int(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_OID_OUTPUT_FORMAT, glob_snmp_object.oid_output_format); } } /* }}} */ /* {{{ proto mixed snmpget(string host, string community, mixed object_id [, int timeout [, int retries]]) Fetch a SNMP object */ PHP_FUNCTION(snmpget) { php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_GET, SNMP_VERSION_1); } /* }}} */ /* {{{ proto mixed snmpgetnext(string host, string community, mixed object_id [, int timeout [, int retries]]) Fetch a SNMP object */ PHP_FUNCTION(snmpgetnext) { php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_GETNEXT, SNMP_VERSION_1); } /* }}} */ /* {{{ proto mixed snmpwalk(string host, string community, mixed object_id [, int timeout [, int retries]]) Return all objects under the specified object id */ PHP_FUNCTION(snmpwalk) { php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, (SNMP_CMD_WALK | SNMP_NUMERIC_KEYS), SNMP_VERSION_1); } /* }}} */ /* {{{ proto mixed snmprealwalk(string host, string community, mixed object_id [, int timeout [, int retries]]) Return all objects including their respective object id within the specified one */ PHP_FUNCTION(snmprealwalk) { php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_WALK, SNMP_VERSION_1); } /* }}} */ /* {{{ proto bool snmpset(string host, string community, mixed object_id, mixed type, mixed value [, int timeout [, int retries]]) Set the value of a SNMP object */ PHP_FUNCTION(snmpset) { php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_SET, SNMP_VERSION_1); } /* }}} */ /* {{{ proto bool snmp_get_quick_print(void) Return the current status of quick_print */ PHP_FUNCTION(snmp_get_quick_print) { if (zend_parse_parameters_none() == FAILURE) { return; } RETURN_BOOL(netsnmp_ds_get_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_QUICK_PRINT)); } /* }}} */ /* {{{ proto bool snmp_set_quick_print(int quick_print) Return all objects including their respective object id within the specified one */ PHP_FUNCTION(snmp_set_quick_print) { long a1; if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &a1) == FAILURE) { RETURN_FALSE; } netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_QUICK_PRINT, (int)a1); RETURN_TRUE; } /* }}} */ /* {{{ proto bool snmp_set_enum_print(int enum_print) Return all values that are enums with their enum value instead of the raw integer */ PHP_FUNCTION(snmp_set_enum_print) { long a1; if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &a1) == FAILURE) { RETURN_FALSE; } netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_PRINT_NUMERIC_ENUM, (int) a1); RETURN_TRUE; } /* }}} */ /* {{{ proto bool snmp_set_oid_output_format(int oid_format) Set the OID output format. */ PHP_FUNCTION(snmp_set_oid_output_format) { long a1; if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &a1) == FAILURE) { RETURN_FALSE; } switch((int) a1) { case NETSNMP_OID_OUTPUT_SUFFIX: case NETSNMP_OID_OUTPUT_MODULE: case NETSNMP_OID_OUTPUT_FULL: case NETSNMP_OID_OUTPUT_NUMERIC: case NETSNMP_OID_OUTPUT_UCD: case NETSNMP_OID_OUTPUT_NONE: netsnmp_ds_set_int(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_OID_OUTPUT_FORMAT, a1); RETURN_TRUE; break; default: php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unknown SNMP output print format '%d'", (int) a1); RETURN_FALSE; break; } } /* }}} */ /* {{{ proto mixed snmp2_get(string host, string community, mixed object_id [, int timeout [, int retries]]) Fetch a SNMP object */ PHP_FUNCTION(snmp2_get) { php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_GET, SNMP_VERSION_2c); } /* }}} */ /* {{{ proto mixed snmp2_getnext(string host, string community, mixed object_id [, int timeout [, int retries]]) Fetch a SNMP object */ PHP_FUNCTION(snmp2_getnext) { php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_GETNEXT, SNMP_VERSION_2c); } /* }}} */ /* {{{ proto mixed snmp2_walk(string host, string community, mixed object_id [, int timeout [, int retries]]) Return all objects under the specified object id */ PHP_FUNCTION(snmp2_walk) { php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, (SNMP_CMD_WALK | SNMP_NUMERIC_KEYS), SNMP_VERSION_2c); } /* }}} */ /* {{{ proto mixed snmp2_real_walk(string host, string community, mixed object_id [, int timeout [, int retries]]) Return all objects including their respective object id within the specified one */ PHP_FUNCTION(snmp2_real_walk) { php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_WALK, SNMP_VERSION_2c); } /* }}} */ /* {{{ proto bool snmp2_set(string host, string community, mixed object_id, mixed type, mixed value [, int timeout [, int retries]]) Set the value of a SNMP object */ PHP_FUNCTION(snmp2_set) { php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_SET, SNMP_VERSION_2c); } /* }}} */ /* {{{ proto mixed snmp3_get(string host, string sec_name, string sec_level, string auth_protocol, string auth_passphrase, string priv_protocol, string priv_passphrase, mixed object_id [, int timeout [, int retries]]) Fetch the value of a SNMP object */ PHP_FUNCTION(snmp3_get) { php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_GET, SNMP_VERSION_3); } /* }}} */ /* {{{ proto mixed snmp3_getnext(string host, string sec_name, string sec_level, string auth_protocol, string auth_passphrase, string priv_protocol, string priv_passphrase, mixed object_id [, int timeout [, int retries]]) Fetch the value of a SNMP object */ PHP_FUNCTION(snmp3_getnext) { php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_GETNEXT, SNMP_VERSION_3); } /* }}} */ /* {{{ proto mixed snmp3_walk(string host, string sec_name, string sec_level, string auth_protocol, string auth_passphrase, string priv_protocol, string priv_passphrase, mixed object_id [, int timeout [, int retries]]) Fetch the value of a SNMP object */ PHP_FUNCTION(snmp3_walk) { php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, (SNMP_CMD_WALK | SNMP_NUMERIC_KEYS), SNMP_VERSION_3); } /* }}} */ /* {{{ proto mixed snmp3_real_walk(string host, string sec_name, string sec_level, string auth_protocol, string auth_passphrase, string priv_protocol, string priv_passphrase, mixed object_id [, int timeout [, int retries]]) Fetch the value of a SNMP object */ PHP_FUNCTION(snmp3_real_walk) { php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_WALK, SNMP_VERSION_3); } /* }}} */ /* {{{ proto bool snmp3_set(string host, string sec_name, string sec_level, string auth_protocol, string auth_passphrase, string priv_protocol, string priv_passphrase, mixed object_id, mixed type, mixed value [, int timeout [, int retries]]) Fetch the value of a SNMP object */ PHP_FUNCTION(snmp3_set) { php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_SET, SNMP_VERSION_3); } /* }}} */ /* {{{ proto bool snmp_set_valueretrieval(int method) Specify the method how the SNMP values will be returned */ PHP_FUNCTION(snmp_set_valueretrieval) { long method; if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "l", &method) == FAILURE) { RETURN_FALSE; } if (method >= 0 && method <= (SNMP_VALUE_LIBRARY|SNMP_VALUE_PLAIN|SNMP_VALUE_OBJECT)) { SNMP_G(valueretrieval) = method; RETURN_TRUE; } else { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unknown SNMP value retrieval method '%ld'", method); RETURN_FALSE; } } /* }}} */ /* {{{ proto int snmp_get_valueretrieval() Return the method how the SNMP values will be returned */ PHP_FUNCTION(snmp_get_valueretrieval) { if (zend_parse_parameters_none() == FAILURE) { RETURN_FALSE; } RETURN_LONG(SNMP_G(valueretrieval)); } /* }}} */ /* {{{ proto bool snmp_read_mib(string filename) Reads and parses a MIB file into the active MIB tree. */ PHP_FUNCTION(snmp_read_mib) { char *filename; int filename_len; if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "p", &filename, &filename_len) == FAILURE) { RETURN_FALSE; } if (!read_mib(filename)) { char *error = strerror(errno); php_error_docref(NULL TSRMLS_CC, E_WARNING, "Error while reading MIB file '%s': %s", filename, error); RETURN_FALSE; } RETURN_TRUE; } /* }}} */ /* {{{ proto SNMP SNMP::__construct(int version, string hostname, string community|securityName [, long timeout [, long retries]]) Creates a new SNMP session to specified host. */ PHP_METHOD(snmp, __construct) { php_snmp_object *snmp_object; zval *object = getThis(); char *a1, *a2; int a1_len, a2_len; long timeout = SNMP_DEFAULT_TIMEOUT; long retries = SNMP_DEFAULT_RETRIES; long version = SNMP_DEFAULT_VERSION; int argc = ZEND_NUM_ARGS(); zend_error_handling error_handling; snmp_object = (php_snmp_object *)zend_object_store_get_object(object TSRMLS_CC); zend_replace_error_handling(EH_THROW, NULL, &error_handling TSRMLS_CC); if (zend_parse_parameters(argc TSRMLS_CC, "lss|ll", &version, &a1, &a1_len, &a2, &a2_len, &timeout, &retries) == FAILURE) { zend_restore_error_handling(&error_handling TSRMLS_CC); return; } zend_restore_error_handling(&error_handling TSRMLS_CC); switch(version) { case SNMP_VERSION_1: case SNMP_VERSION_2c: case SNMP_VERSION_3: break; default: zend_throw_exception(zend_exception_get_default(TSRMLS_C), "Unknown SNMP protocol version", 0 TSRMLS_CC); return; } /* handle re-open of snmp session */ if (snmp_object->session) { netsnmp_session_free(&(snmp_object->session)); } if (netsnmp_session_init(&(snmp_object->session), version, a1, a2, timeout, retries TSRMLS_CC)) { return; } snmp_object->max_oids = 0; snmp_object->valueretrieval = SNMP_G(valueretrieval); snmp_object->enum_print = netsnmp_ds_get_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_PRINT_NUMERIC_ENUM); snmp_object->oid_output_format = netsnmp_ds_get_int(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_OID_OUTPUT_FORMAT); snmp_object->quick_print = netsnmp_ds_get_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_QUICK_PRINT); snmp_object->oid_increasing_check = TRUE; snmp_object->exceptions_enabled = 0; } /* }}} */ /* {{{ proto bool SNMP::close() Close SNMP session */ PHP_METHOD(snmp, close) { php_snmp_object *snmp_object; zval *object = getThis(); snmp_object = (php_snmp_object *)zend_object_store_get_object(object TSRMLS_CC); if (zend_parse_parameters_none() == FAILURE) { RETURN_FALSE; } netsnmp_session_free(&(snmp_object->session)); RETURN_TRUE; } /* }}} */ /* {{{ proto mixed SNMP::get(mixed object_id [, bool preserve_keys]) Fetch a SNMP object returning scalar for single OID and array of oid->value pairs for multi OID request */ PHP_METHOD(snmp, get) { php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_GET, (-1)); } /* }}} */ /* {{{ proto mixed SNMP::getnext(mixed object_id) Fetch a SNMP object returning scalar for single OID and array of oid->value pairs for multi OID request */ PHP_METHOD(snmp, getnext) { php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_GETNEXT, (-1)); } /* }}} */ /* {{{ proto mixed SNMP::walk(mixed object_id [, bool $suffix_as_key = FALSE [, int $max_repetitions [, int $non_repeaters]]) Return all objects including their respective object id within the specified one as array of oid->value pairs */ PHP_METHOD(snmp, walk) { php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_WALK, (-1)); } /* }}} */ /* {{{ proto bool SNMP::set(mixed object_id, mixed type, mixed value) Set the value of a SNMP object */ PHP_METHOD(snmp, set) { php_snmp(INTERNAL_FUNCTION_PARAM_PASSTHRU, SNMP_CMD_SET, (-1)); } /* {{{ proto bool SNMP::setSecurity(string sec_level, [ string auth_protocol, string auth_passphrase [, string priv_protocol, string priv_passphrase [, string contextName [, string contextEngineID]]]]) Set SNMPv3 security-related session parameters */ PHP_METHOD(snmp, setSecurity) { php_snmp_object *snmp_object; zval *object = getThis(); char *a1 = "", *a2 = "", *a3 = "", *a4 = "", *a5 = "", *a6 = "", *a7 = ""; int a1_len = 0, a2_len = 0, a3_len = 0, a4_len = 0, a5_len = 0, a6_len = 0, a7_len = 0; int argc = ZEND_NUM_ARGS(); snmp_object = (php_snmp_object *)zend_object_store_get_object(object TSRMLS_CC); if (zend_parse_parameters(argc TSRMLS_CC, "s|ssssss", &a1, &a1_len, &a2, &a2_len, &a3, &a3_len, &a4, &a4_len, &a5, &a5_len, &a6, &a6_len, &a7, &a7_len) == FAILURE) { RETURN_FALSE; } if (netsnmp_session_set_security(snmp_object->session, a1, a2, a3, a4, a5, a6, a7 TSRMLS_CC)) { /* Warning message sent already, just bail out */ RETURN_FALSE; } RETURN_TRUE; } /* }}} */ /* {{{ proto long SNMP::getErrno() Get last error code number */ PHP_METHOD(snmp, getErrno) { php_snmp_object *snmp_object; zval *object = getThis(); snmp_object = (php_snmp_object *)zend_object_store_get_object(object TSRMLS_CC); RETVAL_LONG(snmp_object->snmp_errno); return; } /* }}} */ /* {{{ proto long SNMP::getError() Get last error message */ PHP_METHOD(snmp, getError) { php_snmp_object *snmp_object; zval *object = getThis(); snmp_object = (php_snmp_object *)zend_object_store_get_object(object TSRMLS_CC); RETVAL_STRING(snmp_object->snmp_errstr, 1); return; } /* }}} */ /* {{{ */ void php_snmp_add_property(HashTable *h, const char *name, size_t name_length, php_snmp_read_t read_func, php_snmp_write_t write_func TSRMLS_DC) { php_snmp_prop_handler p; p.name = (char*) name; p.name_length = name_length; p.read_func = (read_func) ? read_func : NULL; p.write_func = (write_func) ? write_func : NULL; zend_hash_add(h, (char *)name, name_length + 1, &p, sizeof(php_snmp_prop_handler), NULL); } /* }}} */ /* {{{ php_snmp_read_property(zval *object, zval *member, int type[, const zend_literal *key]) Generic object property reader */ zval *php_snmp_read_property(zval *object, zval *member, int type, const zend_literal *key TSRMLS_DC) { zval tmp_member; zval *retval; php_snmp_object *obj; php_snmp_prop_handler *hnd; int ret; ret = FAILURE; obj = (php_snmp_object *)zend_objects_get_address(object TSRMLS_CC); if (Z_TYPE_P(member) != IS_STRING) { tmp_member = *member; zval_copy_ctor(&tmp_member); convert_to_string(&tmp_member); member = &tmp_member; } ret = zend_hash_find(&php_snmp_properties, Z_STRVAL_P(member), Z_STRLEN_P(member)+1, (void **) &hnd); if (ret == SUCCESS && hnd->read_func) { ret = hnd->read_func(obj, &retval TSRMLS_CC); if (ret == SUCCESS) { /* ensure we're creating a temporary variable */ Z_SET_REFCOUNT_P(retval, 0); } else { retval = EG(uninitialized_zval_ptr); } } else { zend_object_handlers * std_hnd = zend_get_std_object_handlers(); retval = std_hnd->read_property(object, member, type, key TSRMLS_CC); } if (member == &tmp_member) { zval_dtor(member); } return(retval); } /* }}} */ /* {{{ php_snmp_write_property(zval *object, zval *member, zval *value[, const zend_literal *key]) Generic object property writer */ void php_snmp_write_property(zval *object, zval *member, zval *value, const zend_literal *key TSRMLS_DC) { zval tmp_member; php_snmp_object *obj; php_snmp_prop_handler *hnd; int ret; if (Z_TYPE_P(member) != IS_STRING) { tmp_member = *member; zval_copy_ctor(&tmp_member); convert_to_string(&tmp_member); member = &tmp_member; } ret = FAILURE; obj = (php_snmp_object *)zend_objects_get_address(object TSRMLS_CC); ret = zend_hash_find(&php_snmp_properties, Z_STRVAL_P(member), Z_STRLEN_P(member) + 1, (void **) &hnd); if (ret == SUCCESS && hnd->write_func) { hnd->write_func(obj, value TSRMLS_CC); if (! PZVAL_IS_REF(value) && Z_REFCOUNT_P(value) == 0) { Z_ADDREF_P(value); zval_ptr_dtor(&value); } } else { zend_object_handlers * std_hnd = zend_get_std_object_handlers(); std_hnd->write_property(object, member, value, key TSRMLS_CC); } if (member == &tmp_member) { zval_dtor(member); } } /* }}} */ /* {{{ php_snmp_has_property(zval *object, zval *member, int has_set_exists[, const zend_literal *key]) Generic object property checker */ static int php_snmp_has_property(zval *object, zval *member, int has_set_exists, const zend_literal *key TSRMLS_DC) { php_snmp_prop_handler *hnd; int ret = 0; if (zend_hash_find(&php_snmp_properties, Z_STRVAL_P(member), Z_STRLEN_P(member) + 1, (void **)&hnd) == SUCCESS) { switch (has_set_exists) { case 2: ret = 1; break; case 0: { zval *value = php_snmp_read_property(object, member, BP_VAR_IS, key TSRMLS_CC); if (value != EG(uninitialized_zval_ptr)) { ret = Z_TYPE_P(value) != IS_NULL? 1:0; /* refcount is 0 */ Z_ADDREF_P(value); zval_ptr_dtor(&value); } break; } default: { zval *value = php_snmp_read_property(object, member, BP_VAR_IS, key TSRMLS_CC); if (value != EG(uninitialized_zval_ptr)) { convert_to_boolean(value); ret = Z_BVAL_P(value)? 1:0; /* refcount is 0 */ Z_ADDREF_P(value); zval_ptr_dtor(&value); } break; } } } else { zend_object_handlers * std_hnd = zend_get_std_object_handlers(); ret = std_hnd->has_property(object, member, has_set_exists, key TSRMLS_CC); } return ret; } /* }}} */ /* {{{ php_snmp_get_properties(zval *object) Returns all object properties. Injects SNMP properties into object on first call */ static HashTable *php_snmp_get_properties(zval *object TSRMLS_DC) { php_snmp_object *obj; php_snmp_prop_handler *hnd; HashTable *props; zval *val; char *key; uint key_len; HashPosition pos; ulong num_key; obj = (php_snmp_object *)zend_objects_get_address(object TSRMLS_CC); props = zend_std_get_properties(object TSRMLS_CC); zend_hash_internal_pointer_reset_ex(&php_snmp_properties, &pos); while (zend_hash_get_current_data_ex(&php_snmp_properties, (void**)&hnd, &pos) == SUCCESS) { zend_hash_get_current_key_ex(&php_snmp_properties, &key, &key_len, &num_key, 0, &pos); if (!hnd->read_func || hnd->read_func(obj, &val TSRMLS_CC) != SUCCESS) { val = EG(uninitialized_zval_ptr); Z_ADDREF_P(val); } zend_hash_update(props, key, key_len, (void *)&val, sizeof(zval *), NULL); zend_hash_move_forward_ex(&php_snmp_properties, &pos); } return obj->zo.properties; } /* }}} */ /* {{{ */ static int php_snmp_read_info(php_snmp_object *snmp_object, zval **retval TSRMLS_DC) { zval *val; MAKE_STD_ZVAL(*retval); array_init(*retval); if (snmp_object->session == NULL) { return SUCCESS; } MAKE_STD_ZVAL(val); ZVAL_STRINGL(val, snmp_object->session->peername, strlen(snmp_object->session->peername), 1); add_assoc_zval(*retval, "hostname", val); MAKE_STD_ZVAL(val); ZVAL_LONG(val, snmp_object->session->remote_port); add_assoc_zval(*retval, "port", val); MAKE_STD_ZVAL(val); ZVAL_LONG(val, snmp_object->session->timeout); add_assoc_zval(*retval, "timeout", val); MAKE_STD_ZVAL(val); ZVAL_LONG(val, snmp_object->session->retries); add_assoc_zval(*retval, "retries", val); return SUCCESS; } /* }}} */ /* {{{ */ static int php_snmp_read_max_oids(php_snmp_object *snmp_object, zval **retval TSRMLS_DC) { MAKE_STD_ZVAL(*retval); if (snmp_object->max_oids > 0) { ZVAL_LONG(*retval, snmp_object->max_oids); } else { ZVAL_NULL(*retval); } return SUCCESS; } /* }}} */ #define PHP_SNMP_BOOL_PROPERTY_READER_FUNCTION(name) \ static int php_snmp_read_##name(php_snmp_object *snmp_object, zval **retval TSRMLS_DC) \ { \ MAKE_STD_ZVAL(*retval); \ ZVAL_BOOL(*retval, snmp_object->name); \ return SUCCESS; \ } PHP_SNMP_BOOL_PROPERTY_READER_FUNCTION(oid_increasing_check) PHP_SNMP_BOOL_PROPERTY_READER_FUNCTION(quick_print) PHP_SNMP_BOOL_PROPERTY_READER_FUNCTION(enum_print) #define PHP_SNMP_LONG_PROPERTY_READER_FUNCTION(name) \ static int php_snmp_read_##name(php_snmp_object *snmp_object, zval **retval TSRMLS_DC) \ { \ MAKE_STD_ZVAL(*retval); \ ZVAL_LONG(*retval, snmp_object->name); \ return SUCCESS; \ } PHP_SNMP_LONG_PROPERTY_READER_FUNCTION(valueretrieval) PHP_SNMP_LONG_PROPERTY_READER_FUNCTION(oid_output_format) PHP_SNMP_LONG_PROPERTY_READER_FUNCTION(exceptions_enabled) /* {{{ */ static int php_snmp_write_info(php_snmp_object *snmp_object, zval *newval TSRMLS_DC) { php_error_docref(NULL TSRMLS_CC, E_WARNING, "info property is read-only"); return FAILURE; } /* }}} */ /* {{{ */ static int php_snmp_write_max_oids(php_snmp_object *snmp_object, zval *newval TSRMLS_DC) { zval ztmp; int ret = SUCCESS; if (Z_TYPE_P(newval) == IS_NULL) { snmp_object->max_oids = 0; return ret; } if (Z_TYPE_P(newval) != IS_LONG) { ztmp = *newval; zval_copy_ctor(&ztmp); convert_to_long(&ztmp); newval = &ztmp; } if (Z_LVAL_P(newval) > 0) { snmp_object->max_oids = Z_LVAL_P(newval); } else { php_error_docref(NULL TSRMLS_CC, E_WARNING, "max_oids should be positive integer or NULL, got %ld", Z_LVAL_P(newval)); } if (newval == &ztmp) { zval_dtor(newval); } return ret; } /* }}} */ /* {{{ */ static int php_snmp_write_valueretrieval(php_snmp_object *snmp_object, zval *newval TSRMLS_DC) { zval ztmp; int ret = SUCCESS; if (Z_TYPE_P(newval) != IS_LONG) { ztmp = *newval; zval_copy_ctor(&ztmp); convert_to_long(&ztmp); newval = &ztmp; } if (Z_LVAL_P(newval) >= 0 && Z_LVAL_P(newval) <= (SNMP_VALUE_LIBRARY|SNMP_VALUE_PLAIN|SNMP_VALUE_OBJECT)) { snmp_object->valueretrieval = Z_LVAL_P(newval); } else { php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unknown SNMP value retrieval method '%ld'", Z_LVAL_P(newval)); ret = FAILURE; } if (newval == &ztmp) { zval_dtor(newval); } return ret; } /* }}} */ #define PHP_SNMP_BOOL_PROPERTY_WRITER_FUNCTION(name) \ static int php_snmp_write_##name(php_snmp_object *snmp_object, zval *newval TSRMLS_DC) \ { \ zval ztmp; \ if (Z_TYPE_P(newval) != IS_BOOL) { \ ztmp = *newval; \ zval_copy_ctor(&ztmp); \ convert_to_boolean(&ztmp); \ newval = &ztmp; \ } \ \ snmp_object->name = Z_LVAL_P(newval); \ \ if (newval == &ztmp) { \ zval_dtor(newval); \ } \ return SUCCESS; \ } PHP_SNMP_BOOL_PROPERTY_WRITER_FUNCTION(quick_print) PHP_SNMP_BOOL_PROPERTY_WRITER_FUNCTION(enum_print) PHP_SNMP_BOOL_PROPERTY_WRITER_FUNCTION(oid_increasing_check) /* {{{ */ static int php_snmp_write_oid_output_format(php_snmp_object *snmp_object, zval *newval TSRMLS_DC) { zval ztmp; int ret = SUCCESS; if (Z_TYPE_P(newval) != IS_LONG) { ztmp = *newval; zval_copy_ctor(&ztmp); convert_to_long(&ztmp); newval = &ztmp; } switch(Z_LVAL_P(newval)) { case NETSNMP_OID_OUTPUT_SUFFIX: case NETSNMP_OID_OUTPUT_MODULE: case NETSNMP_OID_OUTPUT_FULL: case NETSNMP_OID_OUTPUT_NUMERIC: case NETSNMP_OID_OUTPUT_UCD: case NETSNMP_OID_OUTPUT_NONE: snmp_object->oid_output_format = Z_LVAL_P(newval); break; default: php_error_docref(NULL TSRMLS_CC, E_WARNING, "Unknown SNMP output print format '%ld'", Z_LVAL_P(newval)); ret = FAILURE; break; } if (newval == &ztmp) { zval_dtor(newval); } return ret; } /* }}} */ /* {{{ */ static int php_snmp_write_exceptions_enabled(php_snmp_object *snmp_object, zval *newval TSRMLS_DC) { zval ztmp; int ret = SUCCESS; if (Z_TYPE_P(newval) != IS_LONG) { ztmp = *newval; zval_copy_ctor(&ztmp); convert_to_long(&ztmp); newval = &ztmp; } snmp_object->exceptions_enabled = Z_LVAL_P(newval); if (newval == &ztmp) { zval_dtor(newval); } return ret; } /* }}} */ /* {{{ php_snmp_class_methods[] */ static zend_function_entry php_snmp_class_methods[] = { PHP_ME(snmp, __construct, arginfo_snmp_create, ZEND_ACC_PUBLIC) PHP_ME(snmp, close, arginfo_snmp_void, ZEND_ACC_PUBLIC) PHP_ME(snmp, setSecurity, arginfo_snmp_setSecurity, ZEND_ACC_PUBLIC) PHP_ME(snmp, get, arginfo_snmp_get, ZEND_ACC_PUBLIC) PHP_ME(snmp, getnext, arginfo_snmp_get, ZEND_ACC_PUBLIC) PHP_ME(snmp, walk, arginfo_snmp_walk, ZEND_ACC_PUBLIC) PHP_ME(snmp, set, arginfo_snmp_set, ZEND_ACC_PUBLIC) PHP_ME(snmp, getErrno, arginfo_snmp_void, ZEND_ACC_PUBLIC) PHP_ME(snmp, getError, arginfo_snmp_void, ZEND_ACC_PUBLIC) PHP_FE_END }; #define PHP_SNMP_PROPERTY_ENTRY_RECORD(name) \ { "" #name "", sizeof("" #name "") - 1, php_snmp_read_##name, php_snmp_write_##name } const php_snmp_prop_handler php_snmp_property_entries[] = { PHP_SNMP_PROPERTY_ENTRY_RECORD(info), PHP_SNMP_PROPERTY_ENTRY_RECORD(max_oids), PHP_SNMP_PROPERTY_ENTRY_RECORD(valueretrieval), PHP_SNMP_PROPERTY_ENTRY_RECORD(quick_print), PHP_SNMP_PROPERTY_ENTRY_RECORD(enum_print), PHP_SNMP_PROPERTY_ENTRY_RECORD(oid_output_format), PHP_SNMP_PROPERTY_ENTRY_RECORD(oid_increasing_check), PHP_SNMP_PROPERTY_ENTRY_RECORD(exceptions_enabled), { NULL, 0, NULL, NULL} }; /* }}} */ /* {{{ PHP_MINIT_FUNCTION */ PHP_MINIT_FUNCTION(snmp) { netsnmp_log_handler *logh; zend_class_entry ce, cex; le_snmp_session = zend_register_list_destructors_ex(php_snmp_session_destructor, NULL, PHP_SNMP_SESSION_RES_NAME, module_number); init_snmp("snmpapp"); #ifdef NETSNMP_DS_LIB_DONT_PERSIST_STATE /* Prevent update of the snmpapp.conf file */ netsnmp_ds_set_boolean(NETSNMP_DS_LIBRARY_ID, NETSNMP_DS_LIB_DONT_PERSIST_STATE, 1); #endif /* Disable logging, use exit status'es and related variabled to detect errors */ shutdown_snmp_logging(); logh = netsnmp_register_loghandler(NETSNMP_LOGHANDLER_NONE, LOG_ERR); if (logh) { logh->pri_max = LOG_ERR; } memcpy(&php_snmp_object_handlers, zend_get_std_object_handlers(), sizeof(zend_object_handlers)); php_snmp_object_handlers.read_property = php_snmp_read_property; php_snmp_object_handlers.write_property = php_snmp_write_property; php_snmp_object_handlers.has_property = php_snmp_has_property; php_snmp_object_handlers.get_properties = php_snmp_get_properties; /* Register SNMP Class */ INIT_CLASS_ENTRY(ce, "SNMP", php_snmp_class_methods); ce.create_object = php_snmp_object_new; php_snmp_object_handlers.clone_obj = NULL; php_snmp_ce = zend_register_internal_class(&ce TSRMLS_CC); /* Register SNMP Class properties */ zend_hash_init(&php_snmp_properties, 0, NULL, NULL, 1); PHP_SNMP_ADD_PROPERTIES(&php_snmp_properties, php_snmp_property_entries); REGISTER_LONG_CONSTANT("SNMP_OID_OUTPUT_SUFFIX", NETSNMP_OID_OUTPUT_SUFFIX, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("SNMP_OID_OUTPUT_MODULE", NETSNMP_OID_OUTPUT_MODULE, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("SNMP_OID_OUTPUT_FULL", NETSNMP_OID_OUTPUT_FULL, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("SNMP_OID_OUTPUT_NUMERIC", NETSNMP_OID_OUTPUT_NUMERIC, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("SNMP_OID_OUTPUT_UCD", NETSNMP_OID_OUTPUT_UCD, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("SNMP_OID_OUTPUT_NONE", NETSNMP_OID_OUTPUT_NONE, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("SNMP_VALUE_LIBRARY", SNMP_VALUE_LIBRARY, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("SNMP_VALUE_PLAIN", SNMP_VALUE_PLAIN, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("SNMP_VALUE_OBJECT", SNMP_VALUE_OBJECT, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("SNMP_BIT_STR", ASN_BIT_STR, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("SNMP_OCTET_STR", ASN_OCTET_STR, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("SNMP_OPAQUE", ASN_OPAQUE, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("SNMP_NULL", ASN_NULL, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("SNMP_OBJECT_ID", ASN_OBJECT_ID, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("SNMP_IPADDRESS", ASN_IPADDRESS, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("SNMP_COUNTER", ASN_GAUGE, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("SNMP_UNSIGNED", ASN_UNSIGNED, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("SNMP_TIMETICKS", ASN_TIMETICKS, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("SNMP_UINTEGER", ASN_UINTEGER, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("SNMP_INTEGER", ASN_INTEGER, CONST_CS | CONST_PERSISTENT); REGISTER_LONG_CONSTANT("SNMP_COUNTER64", ASN_COUNTER64, CONST_CS | CONST_PERSISTENT); REGISTER_SNMP_CLASS_CONST_LONG("VERSION_1", SNMP_VERSION_1); REGISTER_SNMP_CLASS_CONST_LONG("VERSION_2c", SNMP_VERSION_2c); REGISTER_SNMP_CLASS_CONST_LONG("VERSION_2C", SNMP_VERSION_2c); REGISTER_SNMP_CLASS_CONST_LONG("VERSION_3", SNMP_VERSION_3); REGISTER_SNMP_CLASS_CONST_LONG("ERRNO_NOERROR", PHP_SNMP_ERRNO_NOERROR); REGISTER_SNMP_CLASS_CONST_LONG("ERRNO_ANY", PHP_SNMP_ERRNO_ANY); REGISTER_SNMP_CLASS_CONST_LONG("ERRNO_GENERIC", PHP_SNMP_ERRNO_GENERIC); REGISTER_SNMP_CLASS_CONST_LONG("ERRNO_TIMEOUT", PHP_SNMP_ERRNO_TIMEOUT); REGISTER_SNMP_CLASS_CONST_LONG("ERRNO_ERROR_IN_REPLY", PHP_SNMP_ERRNO_ERROR_IN_REPLY); REGISTER_SNMP_CLASS_CONST_LONG("ERRNO_OID_NOT_INCREASING", PHP_SNMP_ERRNO_OID_NOT_INCREASING); REGISTER_SNMP_CLASS_CONST_LONG("ERRNO_OID_PARSING_ERROR", PHP_SNMP_ERRNO_OID_PARSING_ERROR); REGISTER_SNMP_CLASS_CONST_LONG("ERRNO_MULTIPLE_SET_QUERIES", PHP_SNMP_ERRNO_MULTIPLE_SET_QUERIES); /* Register SNMPException class */ INIT_CLASS_ENTRY(cex, "SNMPException", NULL); #ifdef HAVE_SPL php_snmp_exception_ce = zend_register_internal_class_ex(&cex, spl_ce_RuntimeException, NULL TSRMLS_CC); #else php_snmp_exception_ce = zend_register_internal_class_ex(&cex, zend_exception_get_default(TSRMLS_C), NULL TSRMLS_CC); #endif return SUCCESS; } /* }}} */ /* {{{ PHP_MSHUTDOWN_FUNCTION */ PHP_MSHUTDOWN_FUNCTION(snmp) { snmp_shutdown("snmpapp"); zend_hash_destroy(&php_snmp_properties); return SUCCESS; } /* }}} */ /* {{{ PHP_MINFO_FUNCTION */ PHP_MINFO_FUNCTION(snmp) { php_info_print_table_start(); php_info_print_table_row(2, "NET-SNMP Support", "enabled"); php_info_print_table_row(2, "NET-SNMP Version", netsnmp_get_version()); php_info_print_table_row(2, "PHP SNMP Version", PHP_SNMP_VERSION); php_info_print_table_end(); } /* }}} */ /* {{{ snmp_module_deps[] */ #if ZEND_MODULE_API_NO >= 20050922 static const zend_module_dep snmp_module_deps[] = { #ifdef HAVE_SPL ZEND_MOD_REQUIRED("spl") #endif ZEND_MOD_END }; #endif /* }}} */ /* {{{ snmp_module_entry */ zend_module_entry snmp_module_entry = { #if ZEND_MODULE_API_NO >= 20050922 STANDARD_MODULE_HEADER_EX, NULL, snmp_module_deps, #else STANDARD_MODULE_HEADER, #endif "snmp", snmp_functions, PHP_MINIT(snmp), PHP_MSHUTDOWN(snmp), NULL, NULL, PHP_MINFO(snmp), PHP_SNMP_VERSION, PHP_MODULE_GLOBALS(snmp), PHP_GINIT(snmp), NULL, NULL, STANDARD_MODULE_PROPERTIES_EX }; /* }}} */ #endif /* * Local variables: * tab-width: 4 * c-basic-offset: 4 * End: * vim600: sw=4 ts=4 fdm=marker * vim<600: sw=4 ts=4 */